<template>
<div class="login-container">
  <el-form ref="loginForm" :model="loginForm" :rules="rules" class="login-form" auto-complete="on" label-position="left">
    <h3 class="title">SUST疫情防控监测管理平台后台系统</h3>
    <el-form-item prop="username">
      <span class="svg-container">
        <svg-icon icon-class="user" />
      </span>
      <el-input v-model="loginForm.username" name="username" type="text" auto-complete="on" placeholder="username" />
    </el-form-item>
    <el-form-item prop="password">
      <span class="svg-container">
        <svg-icon icon-class="password" />
      </span>
      <el-input
        :type="pwdType"
        v-model="loginForm.password"
        name="password"
        auto-complete="on"
        placeholder="password"
        @keyup.enter.native="handleLogin" />
      <span class="show-pwd" @click="showPwd">
        <svg-icon icon-class="eye" />
      </span>
    </el-form-item>
    <el-form-item prop="kaptchaCode">
        <el-input type="text" auto-complete="false" v-model="loginForm.kaptchaCode" placeholder="点击图片更换验证码"
                  style="width: 200px;margin-right: 5px"></el-input>
    </el-form-item>
    <img style="height: 100px;" :src="kaptchaUrl" @click="getKaptcha">
    <el-button style="float: right;" type="primary" @click="toRegister">去注册</el-button>
    <el-form-item>
      <el-button :loading="loading" type="primary" style="width:100%;" @click="handleLogin">
        登录
      </el-button>
    </el-form-item>
  </el-form>
</div>
</template>

<script>
import { isvalidUsername } from '@/utils/validate'

export default {
name: 'Login',
data() {
  const validateUsername = (rule, value, callback) => {
    if (!isvalidUsername(value)) {
      callback(new Error('请输入正确的用户名'))
    } else {
      callback()
    }
  }
  const validatePass = (rule, value, callback) => {
    if (value.length < 6) {
      callback(new Error('密码不能小于6位'))
    } else {
      callback()
    }
  }
  return {
      captchaUrl: '/captcha?time=' + new Date(),
      loginForm: {
        username: 'zyf',
        password: '123456',
        kaptchaCode:'',
        kaptchaCodeId:''
      },
      //用户信息
      loginInfo:{},
      kaptchaUrl:'',
      loading: false,
      checked: true,
      rules: {
      username: [{required: true, message: '请输入用户名', trigger: 'blur'}],
      password: [{required: true, message: '请输入密码', trigger: 'blur'}],
      kaptchaCode: [{required: true, message: '请输入验证码', trigger: 'blur'}]
    },
    loading: false,
    pwdType: 'password',
    redirect: undefined
  }
},
created() {
  this.getKaptcha()
},
watch: {
  $route: {
    handler: function(route) {
      this.redirect = route.query && route.query.redirect
    },
    immediate: true
  }
},

methods: {
    //获取验证码
       getKaptcha(){
       this.loginForm.kaptchaCodeId=Date.now()
       this.kaptchaUrl='http://localhost:8400/api/v1/admin/admin/getKaptcha/' + this.loginForm.kaptchaCodeId
       },
  showPwd() {
    if (this.pwdType === 'password') {
      this.pwdType = ''
    } else {
      this.pwdType = 'password'
    }
  },
  handleLogin() {
    this.$refs.loginForm.validate(valid => {
      if (valid) {
       // debugger
        this.loading = true
        this.$store.dispatch('Login', this.loginForm).then(() => {
          this.loading = false
          this.$router.push({ path: this.redirect || '/epidemic' })
        }).catch(() => {
          this.loading = false
        })
      } else {
        console.log('error submit!!')
        return false
      }
    })
  },
  //注册
  toRegister(){
        this.$router.go('/register');//其中login是你定义的一个路由模块
  }

}
}
</script>

<style rel="stylesheet/scss" lang="scss">
$bg:#2d3a4b;
$light_gray:#eee;

/* reset element-ui css */
.login-container {
.el-input {
  display: inline-block;
  height: 47px;
  width: 200px;
  input {
    background: transparent;
    border: 0px;
    -webkit-appearance: none;
    border-radius: 0px;
    padding: 12px 5px 12px 15px;
    color: $light_gray;
    height: 47px;
    &:-webkit-autofill {
      -webkit-box-shadow: 0 0 0px 1000px $bg inset !important;
      -webkit-text-fill-color: #fff !important;
    }
  }
}
.el-form-item {
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(0, 0, 0, 0.1);
  border-radius: 5px;
  color: #454545;
}
}

</style>

<style rel="stylesheet/scss" lang="scss" scoped>
$bg:#2d3a4b;
$dark_gray:#889aa4;
$light_gray:#eee;
.login-container {
position: fixed;
height: 100%;
width: 100%;
background-color: $bg;
.login-form {
  position: absolute;
  left: 0;
  right: 0;
  width: 520px;
  max-width: 100%;
  padding: 35px 35px 15px 35px;
  margin: 120px auto;
}
.tips {
  font-size: 14px;
  color: #fff;
  margin-bottom: 10px;
  span {
    &:first-of-type {
      margin-right: 16px;
    }
  }
}
.svg-container {
  padding: 6px 5px 6px 15px;
  color: $dark_gray;
  vertical-align: middle;
  width: 30px;
  display: inline-block;
}
.title {
  font-size: 26px;
  font-weight: 400;
  color: $light_gray;
  margin: 0px auto 40px auto;
  text-align: center;
  font-weight: bold;
}
.show-pwd {
  position: absolute;
  right: 10px;
  top: 7px;
  font-size: 16px;
  color: $dark_gray;
  cursor: pointer;
  user-select: none;
}
}
</style>
